spot动词指看见、看出，尤指突然发现或注意到
1. spot+宾语
Can you spot the weakness in her argument?
你能指出她论点中的不足之处吗？
Can you spot the difference between these two pictures?
你能不能看出这两幅画有什么不同？
It took a practised eye to spot the difference.
只有内行人才能看出其中的差异。
An expert with a trained eye will spot the difference immediately.
训练有素、眼光敏锐的专家会马上发现差别所在。
They spotted a niche in the market, with no serious competition.
他们看到市场上一个竞争不激烈的商机。
2.spot sb doing sth
He spotted her steaming down the corridor towards him.
他看见她沿着走廊向他疾步走来。
Neighbours spotted smoke coming out of the house.
邻居们发现有烟从这所房子里冒出来。
Meg spotted someone coming out of the building.
梅格看到有个人从大楼里出来。
3.spot that从句
One of the station staff spotted that I was in difficulty, and came to help.
一位车站工作人员看到我有困难，就过来帮忙。
I spotted a shooting star which, to my astonishment, was bright green in colour
我看见一颗流星，使我大为惊奇的是，它居然是鲜亮的绿色。
No one spotted that the gun was a fake.
没有人留意到那是一支假枪。